SMA SUNNY ISLAND 4.4M Operating Manual page 160

15 Troubleshooting
Event number Message, cause and corrective measures
7602
Communication disturbed
Device-internal CAN communication is missing in the device at L1 / L2 / L3.
Corrective measures:
7608
Communication disturbed
Communication from the master to slave 1 or slave 2 is interrupted.
Corrective measures:
7609
Communication disturbed
Communication with an energy meter is faulty.
Corrective measures:
7611
Communication disturbed
A protocol that is not supported has been recognized on one energy meter.
Corrective measures:
7613
CAN communication with energy meter is faulty.
Communication with an energy meter is faulty.
Corrective measures:
7616
Communication disturbed
Device-internal communication of the device at L1 / L2 / L3 is disturbed.
Corrective measures:
160 SI44M-80H-12-BE-en-10
• Ensure that the terminators in the communication bus are attached.
• Ensure that undamaged CAT5e cables are used for communication and that the cables
are plugged in correctly.
• Contact the Service (see Section 19, page 189).
• Ensure that undamaged CAT5e cables are used for communication and that the cables
are plugged in correctly.
• Ensure that the communication bus is equipped with a terminator at both ends.
• Ensure that the optical probe is correctly installed and connected.
• Contact the Service (see Section 19, page 189).
• Ensure that the data cables are correctly installed.
• Contact the Service (see Section 19, page 189).
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Operating Manual